<?php 
	
	$stack = <<<EOF
		<p>
			<a href="http://www.siteadi.com.tr/main.js/">main.js</a>
			<a href="http://www.siteadi.com.tr/jquery.js/">jquery.js</a>
			<a href="http://www.siteadi.com.tr/galeri/teknoloji/111/">link</a>
			<a href="http://www.siteadi.com.tr/galeri/kategori1/">link</a>
		</p>
EOF;

	preg_match_all("~href=\"(http://www.siteadi.com.tr/galeri/teknoloji/[^\"]+)~i", $stack, $matches);
	
	print_r($matches);